input.form-control{
    /*表示input且class=*/
    display: inline;
    width: 50%;
}

.form-group label {
    /*置左*/
    float: left;
    margin-left: 200px;
}

.subbtn {
    width: 70px;
    height: 30px;
    background-color: #68b12f;
    border-radius: 3px;
    color: #fff;
    border: 1px solid #509111;
    /* margin-left: 140px; */
    border: 1px solid #509111;
}